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//=-- MemProfSummaryBuilder.cpp - MemProf summary building ---------------=//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file contains MemProf summary builder.
//
//===----------------------------------------------------------------------===//
#include "llvm/ProfileData/MemProfSummaryBuilder.h"
#include "llvm/ProfileData/MemProfCommon.h"
using namespace llvm;
using namespace llvm::memprof;
std::unique_ptr<MemProfSummary> MemProfSummaryBuilder::getSummary() {
return std::make_unique<MemProfSummary>(NumContexts, NumColdContexts,
NumHotContexts, MaxColdTotalSize,
MaxWarmTotalSize, MaxHotTotalSize);
}
void MemProfSummaryBuilder::addRecord(uint64_t CSId,
const PortableMemInfoBlock &Info) {
auto I = Contexts.insert(CSId);
if (!I.second)
return;
NumContexts++;
auto AllocType = getAllocType(Info.getTotalLifetimeAccessDensity(),
Info.getAllocCount(), Info.getTotalLifetime());
auto TotalSize = Info.getTotalSize();
switch (AllocType) {
case AllocationType::Cold:
NumColdContexts++;
if (TotalSize > MaxColdTotalSize)
MaxColdTotalSize = TotalSize;
break;
case AllocationType::NotCold:
if (TotalSize > MaxWarmTotalSize)
MaxWarmTotalSize = TotalSize;
break;
case AllocationType::Hot:
NumHotContexts++;
if (TotalSize > MaxHotTotalSize)
MaxHotTotalSize = TotalSize;
break;
default:
assert(false);
}
}
void MemProfSummaryBuilder::addRecord(const IndexedMemProfRecord &Record) {
for (auto &Alloc : Record.AllocSites)
addRecord(Alloc.CSId, Alloc.Info);
}
void MemProfSummaryBuilder::addRecord(const MemProfRecord &Record) {
for (auto &Alloc : Record.AllocSites)
addRecord(computeFullStackId(Alloc.CallStack), Alloc.Info);
}
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